Droplet ejection control apparatus, droplet ejection control method, and droplet ejection apparatus

Abstract

Provided is a droplet ejection control apparatus that causes a droplet ejection apparatus including a head in which a plurality of nozzles are disposed being aligned in a predetermined direction to perform overlap printing in which printing is duplicated in a predetermined region using a first nozzle row group and a second nozzle row group, and includes a control unit which sets an amount of droplets, when a predetermined condition is satisfied, to a value corresponding to the stated condition based on print control data according to which the first nozzle row group and the second nozzle row group perform superimposition printing.

What is claimed is: 
     
       1. A droplet ejection control apparatus that controls a droplet ejection apparatus including a head in which a plurality of nozzles are aligned in a predetermined direction to perform overlap printing in which printing is duplicated in a predetermined region using first and second nozzle row groups of the nozzles, the droplet ejection control apparatus comprising:
 a control unit that sets an amount of droplets that are ejected relative to a predetermined dot position in the predetermined region by one of the first and second nozzle row groups, when a predetermined condition is satisfied, to a value corresponding to the predetermined condition based on print control data while the print control data indicates superimposition printing, in which printing at a dot position is performed using both the first and second nozzle row groups, at the predetermined dot position in the predetermined region, and while the other one of the first and second nozzle row groups includes a nozzle that corresponds to the predetermined dot position in the predetermined region and is incapable of normally ejecting droplets. 
 
     
     
       2. A droplet ejection control apparatus that causes a droplet ejection apparatus including a head in which a plurality of nozzles are disposed being aligned in a predetermined direction to perform overlap printing in which printing is duplicated in a predetermined region using a first nozzle row group and a second nozzle row group, the droplet ejection control apparatus comprising:
 a control unit that sets an amount of droplets, when a predetermined condition is satisfied, to a value corresponding to the predetermined condition based on print control data according to which the first nozzle row group including a nozzle incapable of normally ejecting droplets and the second nozzle row group perform superimposition printing, 
 wherein the control unit determines a predetermined amount of droplets based on the amount of droplets ejected by the first nozzle row group and the amount of droplets ejected by the second nozzle row group. 
 
     
     
       3. The droplet ejection control apparatus according to  claim 2 ,
 wherein the control unit determines a larger amount of droplets based on the amount of droplets ejected by the first nozzle row group and the amount of droplets ejected by the second nozzle row group. 
 
     
     
       4. The droplet ejection control apparatus according to  claim 2 ,
 wherein the control unit determines a predetermined amount of droplets based on types of droplets, the amount of droplets ejected by the first nozzle row group, and the amount of droplets ejected by the second nozzle row group. 
 
     
     
       5. The droplet ejection control apparatus according to  claim 2 ,
 wherein the control unit determines a predetermined amount of droplets based on types of media, the amount of droplets ejected by the first nozzle row group, and the amount of droplets ejected by the second nozzle row group. 
 
     
     
       6. The droplet ejection control apparatus according to  claim 2 ,
 wherein the control unit includes a color patch printing section that prints color patches having experienced superimposition printing with predetermined amounts of droplets by the first nozzle row group and the second nozzle row group as well as a plurality of color patches in which the amounts of droplets have been changed in one of the first nozzle row group and the second nozzle row group; a specifying section that receives input specifying one of the plurality of color patches printed by one of the first nozzle row group and the second nozzle row group; and a droplet amount determination section that takes the amount of droplets of the color patch specified by the input having been received in the specifying section as an amount of droplets that is determined based on the amount of droplets ejected by the first nozzle row group and the amount of droplets ejected by the second nozzle row group. 
 
     
     
       7. A droplet ejection control method that controls a droplet ejection apparatus including a head in which a plurality of nozzles are aligned in a predetermined direction to perform overlap printing in which printing is duplicated in a predetermined region using first and second nozzle row groups of the nozzles, the method comprising:
 setting an amount of droplets that are ejected relative to a predetermined dot position in the predetermined region by one of the first and second nozzle row groups, when a predetermined condition is satisfied, to a value corresponding to the predetermined condition based on print control data while the print control data indicates superimposition printing, in which printing at a dot position is performed using both the first and second nozzle row groups, at the predetermined dot position in the predetermined region, and while the other one of the first and second nozzle row groups includes a nozzle that corresponds to the predetermined dot position in the predetermined region and is incapable of normally ejecting droplets. 
 
     
     
       8. A droplet ejection apparatus that includes a head in which a plurality of nozzles are aligned in a predetermined direction to perform overlap printing in which printing is duplicated in a predetermined region using first and second nozzle row groups of the nozzles, the apparatus comprising:
 a control unit that sets an amount of droplets that are ejected relative to a predetermined dot position in the predetermined region by one of the first and second nozzle row groups, when a predetermined condition is satisfied, to a value corresponding to the predetermined condition based on print control data while the print control data indicates superimposition printing, in which printing at a dot position is performed using both the first and second nozzle row groups, at the predetermined dot position in the predetermined region, and while the other one of the first and second nozzle row groups includes a nozzle that corresponds to the predetermined dot position in the predetermined region and is incapable of normally ejecting droplets.